Explore the mechanism of breathing, including how pressure changes in the thoracic cavity drive air movement during inspiration and expiration. This video explains the roles of the diaphragm, intercostal muscles,…
Learn how blood is separated into its key components—white blood cells, platelets, and clotting factors—through the process of fractionation. This video explains the functions of each component and their roles…
Learn about the possible fates of a cell, including division, senescence, and programmed cell death, and how these processes maintain tissue health and homeostasis. This video explains the signals and…
Explore the phases of the menstrual cycle and how hormones like estrogen, progesterone, LH, and FSH regulate ovarian and uterine changes. This video explains the hormonal feedback loops and physiological…
Learn about Staphylococcus aureus and its role in causing skin abscesses, including its virulence factors and typical clinical presentation. This video explains how the bacteria invade skin tissue, trigger inflammation,…
Understand the pathophysiology of acne, focusing on the roles of sebum production, follicular hyperkeratinization, inflammation, and Cutibacterium acnes. This video explains how these factors interact to form different types of…
Learn how Toll-like receptors (TLRs) detect microbial components and activate signaling pathways that drive innate immune responses. This video provides an overview of different TLR types, their ligands, and their…
Explore the coronary circulation and how it delivers oxygen-rich blood to the heart muscle through the right and left coronary arteries. This video explains the anatomy, branching patterns, and physiological…
Learn how proteins are broken down into amino acids and absorbed in the digestive system through the coordinated actions of enzymes and transporters. This video explains the roles of the…
Understand how bacteria develop antibiotic resistance through genetic mutations and horizontal gene transfer. This video explains key resistance mechanisms, such as enzyme production, altered drug targets, and efflux pumps, and…
